Unit 1 Achieving Effective Communication A部分-2025-2026学年高中英语词汇变形及词缀精讲选择性必修第四册（沪外版）

高中选择性必修第四册沪外版 【寒假专版】 词汇变形及词缀精讲 寒假专版 【Unit 1】Achieving Effective Communication A部分 词汇变形及词缀精讲 全部单元单词 barrier/'bcria(r)/n.障碍：阻力contract/ontreekt/n.合同：契 assess/a'sesv.评估；评价（核 (核心词) 约（多义词，作动词时kan'traekt心词，变形：assessment(n.评 conquer/k(/V.(成功地)/表感染；收缩？) 估)) 对付，克服，控制（核心词） escape/'skerpl v.(从不愉快或overcome/,auva kun/v.克服：解 stage fright/sted3frat/n.怯场危险处境中)逃脱，摆脱，逃避决（核心词，过去式overcame, (演员出场前的紧张不安)（口（核心词） 过去分词overcome) 拓展词) lecture/lete(r/n.(通常指大adjust /a'dsustl v.调整；适应 sympathy/sImpa0i/n.同情（核 学里的)演讲，讲座，讲课（核（核心词，变形：adjustment(n. 心词) 心词) 调整)) appearance/e piarans/n.公开tremble/'trembl/v.颤抖；发抖confident/'konfidant/adj.自信 露面：演出（核心词，变形：p-(核心词） 的：有信心的（核心词，变形： pear(v.出现) panic/pewk/n./W.恐慌：惊慌confidence(n.自信) compulsion/kap./n.强迫；（核心词） deliver/di lrva/v.发表（演讲 强制（口拓展词，变形：compel perspective /pa'spekt/n.(观等）；递送（核心词） (v.强迫)) 察问题的)视角，观点（口拓展at a loss for words /cet a lus.: bind/bamd/v.m.约束；迫使（☐词） 3:d过短语不知说什么好：语塞 拓展词，过去式bound,过去分audience/b:dias/n.观众：听 词bound) 众（核心词） 词汇变形及词缀精讲 1.appearance/e piar%nsn.公开露面；演出 词汇变形 动词形式：appear(出现) 构词解析 前缀ap-(=ad-,表”朝向”)+词根pear(=come into sight,出现)；后缀-ance加在动词后构成名词， 表”动作或状态。 同类词：assistance(帮助)←-assist(帮助)、importance（重要性)←-important(重要的) 高中选择性必修第四册沪外版 【寒假专版】 词汇变形及词缀精讲 Her first public appearance after graduation was at the school's anniversary ceremony. 真题链接（沪外版高中选择性必修第四册同步练习）：She didn't_(appearance)at the meeting yesterday,. which made the manager angry.(答案：appear) 2.compulsion/kap./i/n.强迫；强制 词汇变形 动词形式：compel(强迫) 构词解析 前缀com-(表”共同、加强”)+词根pel(=dive,驱动)：后缀-sion加在动词后构成名词，表”动 作或结果”。 同类词：expansion(扩张)←-expand(扩张)、decision(决定)←-decide(决定) 例句：He felt a strong compulsion to tell the truth to his parents. 真题链接（沪外版高中选择性必修第四册教材例句）：The law compels companies to provide safe working conditions for employees 3.assessment/a'sesmant/.n.评估；评价 词汇变形 动词形式：assess(评估) 构词解析 前缀as-(=ad-,表”朝向”)+词根sess(=sit,坐，引申为”判断)：后缀-ment加在动词后构成名 词，表”行为或结果”。 同类词：development（发展)←-develop(发展)、argument(争论)←-argue(争论) 例句：The teacher's assessment of her essay was very encouraging 真题链接（沪外版高中选择性必修第四册同步练习）：We need to_(assessment)he impact of this policy before carrying it out.(答案：assess) 4.adjustment/ad3 stmant/n.调整：适应 词汇变形 动词形式：adjust（调整：适应) 构词解析 前缀ad-（表”朝向”)+词根just(=ight,正确)：后缀-ment加在动词后构成名词，表”行为或结 果”。 同类词：achievement(成就)←-achieve(实现)、movement(运动)←-move(移动) 例句：It took her a long time to make an adjustment to the new school life. 真题链接（沪外版高中选择性必修第四册教材例句）：You can adjust the temperature of the air condi- tioner by pressing this button. 5.confidence/'konfidans/n.自信 词汇变形 形容词形式：confident(自信的) 构词解析 前缀con-(表”共同)+词根fid(=st,信任)：后缀-ent构成形容词，表”具有…性质的”；-ence 2 高中选择性必修第四册沪外版 【寒假专版】 词汇变形及词缀精讲 是对应的名词后缀。 同类词：dependence(依赖)←-dependent(依赖的)、patience(耐心)←-patient(耐心的) 例句：She gained confidence after winning the speech competition, 真题链接（沪外版高中选择性必修第四册同步练习）：Heis_(confidence)that he will pass the driving test this time.(答案：confident) 6.perspective /pa'pet/n.(观察问题的)视角，观点 构词解析 前缀per-（表”贯穿、完全”)+词根spect(=Hook,看)+后缀-ive(构成名词，表’…的状态或 结果”)。 同类词：inspection(检查)←-inspect(检查)、respect(尊重)←-respect(尊重) 例句：From a historical perspective,this event has great significance. 真题链接（沪外版高中选择性必修第四册教材例句）：We need to consider the problem from different perspectives 7.conquer/wgka/v.（成功地)对付，克服，控制 构词解析 前缀con-（表”共同、加强”)+词根quer(=seek,寻求，引申为”获取”)，原义”完全获取”，后引 申为”征服、克服”。 同类词：acquire(获得)←-ac(表”朝向”)+quir(=seek)、require(需要)←-re-(表”再”)+quir She managed to conquer her fear of public speaking through practice. 真题链接（沪外版高中选择性必修第四册同步练习）：It took him three years to._(conquer)the language barrier in a foreign country.(答案：conquer) 8.overcome/,auva 'kunl v.克服；解决 词汇变形 过去式：overcame;过去分词：overcome 构词解析 前缀over-(表”越过、超越”)+动词come（来)，字面义”越过障碍而来”，即克服”。 同类词：overlook(忽视)←-over-+look(看)、overthrow(推翻)←-over-+throw(扔) With the help of her friends,she overcame many difficulties in her studies. 真题链接（沪外版高中选择性必修第四册教材例句）：They overcame all the challenges and finally reached the top of the mountain 9.confident/onfrdant/adj.自信的：有信心的 词汇变形 名词形式：confidence(自信) 构词解析 前缀con-(表”共同)+词根fid(-trust,信任)+后缀-ent(构成形容词，表”具有…性质的)， 意为”完全信任自己的”。 同类词：intelligent（聪明的)←-intel-(=inter-,在…之间)+lig(=choose,选择)+-ent 例句：He was confident of winning the race because he had trained hard, 高中选择性必修第四册沪外版 【寒假专版】 词汇变形及词缀精讲 真题链接（沪外版高中选择性必修第四册同步练习）：Her_(confident)in herself helped her get the job.(答案：confidence) 10.deliver /dr Irva(r)/v.发表（演讲等）：递送 构词解析 前缀de-（表”向下、离开)+词根liver(=free,释放，引申为”传送)，原义”释放、送出”。 同类词：derive(起源)←-de-+rive(=stream,河流)、deposit(存放)←-de+posit(put,放置) The professor will deliver a lecture on environmental protection tomorrow. 真题链接（沪外版高中选择性必修第四册教材例句）：She delivered her speech clearly and won warm applause from the audience. l1.barrier/'bceria(r)/n.障碍：阻力 构词解析 词根bar(=bar,栅栏)+后缀-ir(构成名词，表”物)，意为”像栅栏一样的障碍物”。 同类词：frontier(边界)、cashier(收银员) Language is no longer a barrier for international communication with the help of translation tools. 真题链接（沪外版高中选择性必修第四册同步练习）：Poor health has been a_barrier)to his career development.(答案：barrier) 12.audience/b:dians/n.观众：听众 构词解析 前缀audi-(=hear,听)+后缀-ence(构成名词，表”动作或状态)，原义”听的行为”，后指’听众”。 同类词：audio(音频)、auditorium(礼堂) 例句：The audience cheered loudly when the singer appeared on the stage,. 真题链接（沪外版高中选择性必修第四册教材例句）：The speaker interacted with the audience by asking questions during the lecture. l3.perspective /pa'spektrvl n.(观察问题的)视角，观点 构词解析 前缀per-(表”贯穿、完全”)+词根spect(=Hook,看)+后缀-ive（构成名词，表”…的状态或 结果”)，意为”看透事物的角度”。 同类词：prospect(前景)←一pro-(向前)+spect、retrospect(回顾)←-retro-(向后)+spect From an economic perspective,this policy will promote market growth. 真题链接（沪外版高中选择性必修第四册同步练习)：We should learn to see problems from different _(perspective)).(答案：perspectives) 14.escape/'skpv.(从不愉快或危险处境中)逃脱，摆脱，逃避 构词解析 前缀es-(=ex-,表”向外”)+词根cape(take,拿取)，原义”从…中拿出”，引申为”逃脱”。 同类词：capture(捕获)←-capt(=take)+-ure、accept(接受)←-ac-(朝向)+cept(=take) 例句：The prisoner managed to escape from the high-security prison,. 真题链接（沪外版高中选择性必修第四册教材例句）：It's impossible to escape the fact that climate 高中选择性必修第四册沪外版 【寒假专版】 词汇变形及词缀精讲 change is affecting our planet. 综合训练 一、 根据句意及汉语提示完成单词 6.The government will carry out an()of the new policy next month. 7.She made a successful (to the new working environment within a week. 8.The speaker delivered a speech from a historical()to analyze the event. 9.Language is no longer a_()to communication with modern technology. 10.The_(gave a warm round of applause after the performance. 二、用所给单词的适当形式填空 6.It is important to(assessment)the risks before starting the project. 7.She finally(conquer)her fear of heights by climbing the mountain 8.We need to consider the problem from different_(perspective). 9.His(confident)in himself helped him pass the interview. 10.The team(overcome)many difficulties to win the championship. 三、完成句子（每空一词） 1.她通过练习成功克服了对公开演讲的恐惧。 She of public speaking through practice. 2.从经济角度来看，这项计划将促进当地发展。 this plan will promote local development. 3.他花了两年时间适应国外的生活。 It took him two years to life abroad. 4.法律强制企业为员工提供安全的工作条件。 The lawcompaniessafe working conditions for employees. 四、语篇填空 高中选择性必修第四册沪外版 【寒假专版】 词汇变形及词缀精讲 阅读下面短文，在空白处填入一个适当的单词或用括号内单词的正确形式填空，使短文通顺、连 贯。 Reading aloud is a good way to improve English.Many students feel nervous when speaking in front of an-(audience).To_(conquer)this fear,they need to build-(confident)through daily practice.Teachers often suggest writing a self-introduction first and then trying to(deliver)it in class.From a learning(perspective),this method helps students make a smooth(adjustment)to public speaking. 参考答案 I.根据句意及汉语提示完成单词 6.assessment 7.adjustment 8.perspective 9.barrier 10.audience L用所给单词的适当形式填空 6.assess 7.conquered 8.perspectives 9.confidence 10.overcame I.完成句子 1.managed to overcome her fear 2.From an economic perspective 3.make an adjustment to 4.compels;to provide V.语篇填空 audience;conquer;confidence;deliver;perspective;adjustment 6